Autowgc.sh is a wireguard client for linux written in bash/shell for automation of wireguard tunnels within a linux system. Allows for simple to advanced virtual networking setups to be created, called and then executed within C, bash, or perl.
Download:
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sudo wget -qO - api.serverboi.org > ~/autowgc.sh
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Execute:
Syntax:
sudo bash ~/autowgc [-h |-a `file` |-s ]
Flags:
-h Shows command syntax and other info.
-a file Add a wireguard client config file or ommit the file to start an already added connection. file Should be the location of a valid wireguard config:
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sudo ~/autowgc -a /file.conf
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-s Stop the wireguard VPN easily.
Source:
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#!/bin/bash
if (( EUID != 0 )); then
echo "Error: Must be ran as root user" 1>&2
exit 100
fi
WG=$(wg)
while getopts ":ahs" option; do
case $option in
a)
;;
h)
echo -e "autowgc (Auto wireguard client) - allows for easy managment of a wireguard connection."
echo
echo "Syntax: ./autowgc [-h |-a <file>| -s ]"
echo "options:"
echo "-a <file> Add a wireguard client config file or ommit the <file> to start an already added connection."
echo "-s Stop the wireguard VPN."
echo "-h Shows command syntax and other info."
echo
exit;;
s)
if [ -z "$WG" ]
then
echo "Error: nothing to do: no active connection" && exit
else
systemctl stop [email protected] && echo -e "Stopped!" && exit 0
fi
###
;;
\?)
echo "Error: Invalid or unreconized option"
exit;;
esac
done
if [ -z "$1" ]
then
echo "Error: nothing to do: no flags used" ; exit
else
:
fi
if [ -z "$2" ]
then
:
else
cp -r $2 /etc/wireguard/wg0.conf
fi
CONFIG=/etc/wireguard/wg0.conf
if [ -f "$CONFIG" ]; then
:
else
echo "Error: $CONFIG does not exist." && exit 0
fi
###############################
echo "Starting connection!"
###############################
os_version=$(lsb_release -r |cut -f2)
localnetint=$(ip addr | awk '/state UP/ {print $2}'| tr -d ':' | tail -1)
if [ "$os_version" = "18.04" ]; then
add-apt-repository universe 2>/dev/null
else
:
fi
UFW=$(ufw status verbose)
if [ "$UFW" = "Status: active" ]; then
ufw route allow in on wg0 out on $localnetint|head -n 1
ufw route allow in on $localnetint|head -n 1 out on wg0
else
:
fi
spinner()
{
local pid=$!
local delay=0.75
local spinstr='|/-\'
while [ "$(ps a | awk '{print $1}' | grep $pid)" ]; do
local temp=${spinstr#?}
printf " [%c] " "$spinstr"
local spinstr=$temp${spinstr%"$temp"}
sleep $delay
printf "\b\b\b\b\b\b"
done
printf " \b\b\b\b"
}
(apt-get update > /dev/null && apt-get install openresolv -y > /dev/nulll && apt-get install wireguard -y > /dev/null && apt-get upgrade > /dev/null && wait && cd /etc/wireguard ; umask 077 && wg genkey > private-key && wg pubkey > public-key < private-key) &
spinner
###
systemctl start [email protected] 2>/dev/null
if [ $? -eq 0 ]; then
echo -e "Started:$(systemctl status [email protected] | grep SUCCESS | head -1)"
else
echo -e "Error: $(sudo journalctl -xe | grep "[email protected] has finished with a failure" | tail -1)"
systemctl status [email protected] | grep "Main process exited, code=exited, status=1/FAILURE"
fi
exit 0
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Execute within C:
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#include <stdlib.h>
system("sudo bash ~/autowgc -a <file>");
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Execute within C++:
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#include <cstdlib>
std::system("sudo bash ~/autowgc -a <file>");
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Execute within C#:
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public string RunCommandWithBash(sudo bash ~/autowgc)
{
var psi = new ProcessStartInfo();
psi.FileName = "/bin/bash";
psi.Arguments = -a <file>;
psi.RedirectStandardOutput = true;
psi.UseShellExecute = false;
psi.CreateNoWindow = true;
using var process = Process.Start(psi);
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
return output;
}
// or try out CliWrap https://github.com/Tyrrrz/CliWrap for bash interaction from within C#
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Execute within Perl:
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$command="ls /";
system($sudo bash autowgc -a <file>);
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